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I much prefer the term "kinematical" force to "fictitious". MyYou do not feel a force pulling you out, ie. a centrifugal force, What
arguement is simply that there is nothing fictitious about them.
When I'm riding in a car in the front passenger and the driver
makes a sharp left turn too fast. There is nothing fictitious about
the bruise on my right arm as I get slammed into right door handle. In the
carnival rides where the people line the inside wall of the rotating "tin"
can and the floor drops out from under them, there is nothing fictitious
about the force they feel in that non-inertial frame of reference which
keeps them from sliding down to the floor (actually its the normal forces
present in my examples which are balancing the "kinematical" forces that
cause the bruise and account for the frictional force holding up the
person). In other words, I'm saying that we actually "feel" these forces,
therefore the term "fictitious" is somewhat of a misnomer.